datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,11 0:30:00,30 ,233.4566,392.8545,318.2205,48.49823
sgpcmbeC1.c1,2004,11 1:30:00,30 ,231.1812, 390.519,316.1005,47.48542
sgpcmbeC1.c1,2004,11 2:30:00,30 ,231.4298,388.8441,315.1974,46.43757
sgpcmbeC1.c1,2004,11 3:30:00,30 ,232.7612,386.9857,315.5316,48.28801
sgpcmbeC1.c1,2004,11 4:30:00,30 , 233.463, 390.631,314.4447,49.31432
sgpcmbeC1.c1,2004,11 5:30:00,30 ,233.0005,390.5388,312.8495,48.94431
sgpcmbeC1.c1,2004,11 6:30:00,30 ,232.2712,383.0786,312.6543,49.68743
sgpcmbeC1.c1,2004,11 7:30:00,30 ,233.0063,389.1172,314.1748,48.84803
sgpcmbeC1.c1,2004,11 8:30:00,30 ,  232.55,388.3402,315.5741,47.78825
sgpcmbeC1.c1,2004,11 9:30:00,30 ,235.7041,387.3401,315.7572,48.29567
sgpcmbeC1.c1,2004,1110:30:00,30 ,223.7148,388.1075,315.5919,45.95195
sgpcmbeC1.c1,2004,1111:30:00,30 ,222.3325,389.4147,317.6063,47.43466
sgpcmbeC1.c1,2004,1112:30:00,30 ,219.9252,391.3493,318.6417,47.04724
sgpcmbeC1.c1,2004,1113:30:00,30 , 218.377,392.3542,322.1441,44.36162
sgpcmbeC1.c1,2004,1114:30:00,30 ,220.1405,394.6313,323.1782,44.70667
sgpcmbeC1.c1,2004,1115:30:00,30 ,221.3273,395.4453,322.6273,44.23811
sgpcmbeC1.c1,2004,1116:30:00,30 ,218.9385, 395.226,322.4846,  45.283
sgpcmbeC1.c1,2004,1117:30:00,30 , 215.793,394.5563,320.7006, 45.8681
sgpcmbeC1.c1,2004,1118:30:00,30 ,213.7449,392.9008,317.8116,46.98366
sgpcmbeC1.c1,2004,1119:30:00,30 ,211.9879,390.5795,315.6777,44.74435
sgpcmbeC1.c1,2004,1120:30:00,30 ,210.9857, 379.904,313.6269,45.08476
sgpcmbeC1.c1,2004,1121:30:00,30 ,210.1832,387.2544,312.9213,47.10276
sgpcmbeC1.c1,2004,1122:30:00,30 ,211.6162,391.7966,314.2454,47.49826
sgpcmbeC1.c1,2004,1123:30:00,30 ,210.3603,391.8809,313.0338, 48.4187